All NSF Custom guns are hand assembled, one at a time, and test fired by one AR Rifle Smith (Certified by the American Gunsmith Institute) to ensure the highest quality.
Most parts, except some handguards and optics, are made right here in the USA and are sourced from the most reputable USA manufacturers.
Feel free to call with any questions.

Aero Precision Gen 2 Lower Receiver

Machined to mil-spec dimensions, these lowers ensure the highest quality with a correct component interface.
Made in the USA
Machined from 7075-T6 forged aluminum
Upper Tension Screw
Increased Magwell Flare

CMMG Lower Parts kit

CMMG is one of the top companies in the AR-15 market. All parts meet or exceed mil-spec. The CMMG lower parts kit is ready for the toughest conditions.